Parameters

Waters of hand-dug well on (backfilled wetlands)

Waters of hand-dug well on unfilled wetlands

Witness hand -dug well

pH

5.37 ± 0.11

6.78 ± 0.42

6.70 ± 0.16

Dissolve oxygen (mg/L)

0.50 ± 0.24

2.65 ± 0.21

3.8 ± 0.35

Conductivity (µs/cm)

898.32 ± 6.13

369.0 ± 5.09

132 ± 5.8

Colour (Pt/Co)

399.23 ± 3.01

221.0 ± 1.70

9.51 ± 0.55

Turbidity (NTU)

62.5 ± 2.48

32.0 ± 2.83

1.5 ± 0.35

COT (mg/L)

198.92 ± 5.35

127.06 ± 3.20

88.72 ± 2.21

Total hardness (˚F)

5.90 ± 0.10

6.50 ± 0.10

2.35 ± 0.10

Cl⁻(mg/L)

237.80 ± 4.23

128.98 ± 5.20

89.72 ± 2.85

${\text{NO}}_3^{-}$ (mg/L)

224.10 ± 3.42

103.50 ± 5.02

57.46 ± 2.21

${\text{NO}}_2^{-}$ (mg/L)

4.24 ± 0.02

0.49 ± 0.01

0.03 ± 0.01

${\text{SO}}_4^{2-}$ (mg/L)

0.20 ± 0.10

0.50 ± 0.10

0.10 ± 0.10